47.*** For Loop ***

ধনাত্মক পূর্নসংখ্যার ফ্যাক্টোরিয়াল নির্নয়।

এলগরিদমঃ-A

1.Start
2.Input n
3.fact=1, i=1
4.while i<=n
Repeat step 5
5.Update fact=fact*i
i=i+1
6.print fact
7.End

Flowchart-F

Start

input

n

i=1,fact=1

Condition

i<=n

True, Go to body

False, Print fact and Go to Exit

In body fact=fact*i

Increment

i=i+1

True, Go to body

False, Print fact and Go to Exit

END

48.*** do while loop ***

Print 1-100 integer do while Loop

//Print 1-100 integer do while Loop
#include stdio.h
int main()
{
int i;
//declearation;
i=1;
//Initialization;
do {
printf("%d\n",i);
i++;
//Increment/Update;
}
while (i<=100);
//Condition; getch();
}

49.*** While loop ***

print 1-100 using while Loop

// print 1-100 using while Loop
#include stdio.h
int main()
{
int i;
//declearation;
i=1;
//Initialization;
while(i<=100)
//Condition;
{
printf("%d\n",i);
i++;
//Increment/Update; }
getch();
}

50.*** For loop ***

print 1-100 using For Loop

// print 1-100 using For Loop
#include stdio.h
int main()
{
int i;
for(i=1; i<=100; i=i+1)
//Initialization; Condition; Increment/Update
{ printf("%d\n",i);
} getch();
}

51.*** For Loop ***

Factiorial of positive integer uning Loop

// Factiorial of positive integer uning Loop
#include stdio.h
int main()
{
int i, fact=1, n;
printf("Enter a positive integer number= ");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
fact=fact*i;
}
printf("%d\n",fact);
getch();
}

print Hello Bangladesh 10 times using For Loop

52.*** For loop ***

53.*** Switch ***

0-1 Digit Spelling

এলগরিদমঃ-A

1.Start
2.input expression
3.switch(expression)
4.case condition:
5.-------
6.--------
7.break;
i)Yes, print Spelling of digit
ii)No, go to another case:
8.case condition:
9.-------
10.--------
11.break;
i)Yes, print Spelling of digit
ii)No, go to default and print not any Digit
12.End

Flowchart-F

Start

input

digit

case 0:

switch(variable)

is switch(variable)=1st case

Yes, print digit Spelling

No, Go to 2nd case:

case 1:

switch(variable)

is switch(variable)=2nd case

Yes, print digit Spelling

No, Go to 2nd case:

case 2:

switch(variable)

is switch(variable)=2nd case

Yes, print digit Spelling

No, Go to 3rd case:

case 2:

switch(variable)

is switch(variable)=2nd case

Yes, print digit Spelling

END

70.*** Switch ***

0-9 Digit Spelling

// 0-9 Digit Spelling
#include stdio.h
int main()
{
int digit;
printf("Enter any digit= ");
scanf("%d",&digit);
switch(digit)
{
case 0:
printf("Zero\n");
break;
case 1:
printf("One\n");
break;
case 2:
printf("Two\n");
break;
case 3:
printf("Three\n");
break;
case 4:
printf("Four\n");
break;
case 5:
printf("Five\n");
break;
case 6:
printf("Six\n");
break;
case 7:
printf("Seven\n");
break;
case 8:
printf("Eight\n");
break;
case 9:
printf("Nine\n");
break;
default:
printf("Is not any digit\n");
}
getch();
}

54.*** Switch ***

0-9 Digit Spelling

// 0-9 Digit Spelling
#include stdio.h
int main()
{
int digit;
printf("Enter any digit= ");
scanf("%d",&digit);
switch(digit)
{
case 0:
printf("Zero\n");
break;
case 1:
printf("One\n");
break;
case 2:
printf("Two\n");
break;
case 3:
printf("Three\n");
break;
case 4:
printf("Four\n");
break;
case 5:
printf("Five\n");
break;
case 6:
printf("Six\n");
break;
case 7:
printf("Seven\n");
break;
case 8:
printf("Eight\n");
break;
case 9:
printf("Nine\n");
break;
default:
printf("Is not any digit\n");
}
getch();
}

55.*** Switch ***

Vowel or Consonant using switch

// Vowel or Consonant using switch
#include stdio.h
int main()
{
char ch;
printf("Enter any alphabet= ");
scanf("%c",&ch);
switch(ch)
{
case'a':
case'e':
case'i':
case'o':
case'u':
case'A':
case'E':
case'I':
case'O':
case'U':
printf("Vowel\n");
break;
default:
printf("Consonant\n");
}
getch();
}

56.Switch

57.do while loop

#include stdio.h
int main()
{
int counter;
//declearation;
counter=1;
//Initialization;
do
{
printf("counter= %d\n",counter);
counter++;
//Increment/Update;
}
while (counter<=10);
//Condition; getch();
getch();
}

58. for loop using break

#include
int main()
{
int counter,usernumber;
usernumber=45;
for(counter=0;counter<=200;counter++)
{
if(counter==usernumber)
{
break;
}
printf("counter=%d\n",counter);
}
getch();
}

59.Logic using for loop

#include int main()
{
int counter,usernumber;
usernumber=45;
for(counter=1;counter<=20;counter++)
{
if(counter==usernumber)

{ break;
}
printf("counter=%d\n",counter);
}
getch();
}

60.for loop using continue

#include stdio.h
int main()
{
int counter;
for(counter=1;counter<=20;counter++)
{
if(counter==10)
{
continue;
}
printf("counter=%d\n",counter);
}
getch();
}

61.Logic using for loop

#include stdio.h
int main()
{
int counter;
for(counter=1;counter<=20;counter*=2)
{
printf("counter=%d\n",counter);
}
getch(); }

62.Logic

#include stdio.h
int main()
{
int counter=1;
do{
printf("counter is %d\n",counter);
counter *=2;
}
while(counter<=20);
getch();
}

63.Logic

#include stdio.h
int main()
{
int counter=30;
do
{
printf("counter is %d\n",counter);
counter *=2;
}
while(counter<=20);
getch();
}

64.Logic

#include stdio.h
int main()
{
int counter=1;
while(counter<=20)
{
printf("counter is=%d\n",counter);
counter *=2;
}
getch();
}

65.Logic

#include stdio.h
int main()
{
int counter=1;
while(counter<=20)
{
printf("counter is=%d\n",counter*=2);
}
getch();
}

66.Logic

67.do while loop

#include stdio.h
int main()
{
int counter;
//declearation;
counter=0;
//Initialization;
do
{
printf("counter= %d\n",counter);
counter++;
//Increment/Update;
}
while (counter<=10);
//Condition; getch();
getch();
}

68.While loop

#include stdio.h
int main()
{
int counter;
counter=0;//initial
while(counter<=10)//condition
{
printf("Counter is less than %d\n",counter);
counter++;//increment
}
getch();
}

69.Logic

#include stdio.h
int main()
{
int a;
printf("Enter any integer= ");
scanf("%d",&a);
if(a<=50-1)
{
printf("%d is less than 50\n",a);
}
else if(a==50)
{
printf("%d is eqial to 50\n",a);
}
else
{
printf("%d is Greater than 50\n",a);
}
getch();
}

70.Logic

#include stdio.h
int main()
{
int a=75;
if(a<=50-1)
{
printf("a is less than 50");
}else{
if(a==50){ printf("%d"is eqial to 50): } printf("a is smaller than 50");
}
getch();
}

71.*** OR ***

কোন অক্ষর স্বরবর্ণ না ব্যাঞ্জন বর্ণ তা নির্নয়।

এলগরিদমঃ-A

1.Start
2.input ch
3.Is ch=='a' or ch=='A'
3.Is ch=='e' or ch=='E'
3.Is ch=='i' or ch=='I'
3.Is ch=='o' or ch=='O'
3.Is ch=='u' or ch=='U'
i)Yes, print vowel
ii)No, print Consonant
4.Is ch>='a' && ch<='z'

i)Yes, print Small Letter
ii)No, print Not any Letter
5.End

Flowchart-F

Start

input

ch

Is ch>='A' Or ch<='Z'

Is ch=='a' or ch=='A'

Is ch=='e' or ch=='E'

Is ch=='i' or ch=='I'

Is ch=='o' or ch=='O'

Is ch=='u' or ch=='U'

Yes, Vowel Letter

No, Consonant Letter

END

Cprogram-C

#include stdio.h
int main()
{
char ch;
printf("Please enter an alphabet:");
scanf("%c",&ch);
if(ch=='a'||ch=='A'||ch=='e'||ch=='E'||ch=='i'||ch=='I'||ch=='o'||ch=='O'||ch=='u'||ch=='U')
printf("%c is vowel\n",ch);
else
printf("%c is Consonant\n",ch);
getch();
}

//Identify Vowel or Consonant Letter
#include stdio.h
int main()
{
char chr;
printf("Please enter an alphabet:");
scanf("%c",&chr);
if(chr=='a')
printf("vowel\n");
else if(chr=='e')
printf("vowel\n");
else if(chr=='i')
printf("vowel\n");
else if(chr=='o')
printf("vowel\n");
else if(chr=='u')
printf("vowel\n");
else if(chr=='A')
printf("vowel\n");
else if(chr=='E')
printf("vowel\n");
else if(chr=='I')
printf("vowel\n");
else if(chr=='O')
printf("vowel\n");
else if(chr=='U')
printf("vowel\n");
else
printf("Consonant\n");
getch();
}

72.*** *** ***

কোন অক্ষর ছোট হাতের না বড় হাতের না কোন অক্ষর নয় তা নির্নয়।

এলগরিদমঃ-A

1.Start
2.input ch
3.Is ch>='A' and ch<='Z'
i)Yes, print Capital Letter
ii)No, Go to next step
4.Is ch>='a' && ch<='z'

i)Yes, print Small Letter
ii)No, print Not any Letter
5.End

Flowchart-F

Start

input

ch

Is ch>='A' && ch<='Z'

Yes, Capital Letter

No, connect another Diamond

Is ch>='a' && ch<='z'

Yes, print Small letter

No, print Not any Letter

END

73.*** AND ***

Cprogram-C

//Identify Small or Capital Letter
#include stdio.h
int main()
{
char ch ;
printf("Enter any Letter= ");
scanf("%c",&ch );
if(ch>='A' && ch<='Z')
printf("%c is Capital Letter",ch);
else if(ch>='a' && ch<='z')
printf("%c is Small Letter",ch);
else
printf("%c is not any Letter",ch);
getch();
}

73.*** AND ***

কোন সন লিপইয়ার কি না তা নির্নয়।

এলগরিদমঃ-A

1.Start
2.input Year
3.Is year%400==0
i)Yes, print leapyear
ii)No, Go to next step
4.Is year%4==0 && year%100!==0
i)Yes, print leapyear
ii)No, print not leapyear
5.End

Flowchart-F

Start

input

year

Is year%400==0

Yes, print leapyear

No, connect another Diamond

Is year%4==0 && year%100!==0

Yes, print leapyear

No, print Not leapyear

END

Cprogram-C

//Identify leapyear
#include stdio.h
int main()
{
int year;
printf("Enter year= ");
scanf("%d",&year);
if(year%400==0)
printf("%d is leapyear!",year);
else if(year%4==0 && year%100!=0)
printf("%d is leapyear!",year);
else
printf("%d is not leapyear",year);
getch();
}

74.*** > ***

দুটি সংখ্যার মধ্যে বড় সংখ্যা নির্নয়।

এলগরিদমঃ-A

1.Start
2.input num1 num2, num3
3.Is num1 > num2 and num1>num3
i)Yes, print num1 is greatest
ii)No, Go to next step
4.Is num2 > num1 and num2>num3
i)Yes, print num2 is greatest
ii)No, Go to next step
5.Is num3 > num1 and num3>num2
i)Yes, print num3 is greatest
ii)No, print These are equal
6.End

Flowchart-F

Start

input

num1, num2, num3

Is num1 > num2 && num1>num3

Yes, print num1 is Greatest number

No, connect another Diamond

Is num2 > num1 && num2>num3

Yes, print num2 is Greatest number

No, connect another Diamond

Is num3 > num1 && num3>num2

Yes, print num3 is Greatest number

No, print All are Equal

END

Cprogram-C

//Identify greatest number
#include stdio.h
int main()
{
int num1, num2,num3;
printf("Enter 1st number= ");
scanf("%d",&num1);
printf("Enter 2nd number= ");
scanf("%d",&num2);
printf("Enter 3rd number= ");
scanf("%d",&num3);
if(num1>=num2-1&&num1>=num3-1)
printf("Largest=%d",num1);
else if(num3>=num1-1&&num3>=num2-1)
printf("Largest=%d",num3);
else
printf("All are equal");
getch();
}

75.*** > ***

দুটি সংখ্যার মধ্যে বড় সংখ্যা নির্নয়।

এলগরিদমঃ-A

1.Start
2.input num1 num2
3.Is num1 > num2
i)Yes, print num1
ii)No, Go to next step
4.Is num2 < mum1
i)Yes, print num2
ii)No,print Equal
5.End

Flowchart-F

Start

input

num1, num2

Is num1 > num2

Yes, print num1

No, connect another Diamond

Is num2 > num1

Yes, print num2

No, print Both Equal

END

Cprogram-C

//Identify greater number between two
#include stdio.h
int main()
{
int num1, num2;
printf("Enter 1st number= ");
scanf("%d",&num1);
printf("Enter 2nd number= ");
scanf("%d",&num2);
if(num1>=num2+1)
printf("1st number is greater than 2nd number");
else if(num2>=num1+1)
printf("2nd number is greater than 1st number");
else
printf("Both numbers are equal.");
getch();
}

//Identify smaller number
#include stdio.h
int main()
{
int num1, num2;
printf("Enter 1st number= ");
scanf("%d",&num1);
printf("Enter 2nd number= ");
scanf("%d",&num2);
if(num1 <= num2-1)
printf("Smaller=%d",num1);
else if(num2 <= num1-1)
printf("Smaller=%d",num2);
else
printf("Both numbers are equal");
getch();
}

76.*** *** ***

ধনাত্মক, ঋনাত্মক অথবা শুন্য নির্নয়।

এলগরিদমঃ-A

1.Start
2.input num
3.Is num > 0
i)Yes, print Positive
ii)No, Go to next step
4.Is num < 0
i)Yes, print Negative
ii)No, print Zero
5.End

Flowchart-F

Start

input

num

Is num > 0

Yes, print Positive number

No, connect another Diamond

Yes, print Negative number

No, print Zero

END

Cprogram-C

//Condition Positive number,Negative number or zero
#include stdio.h
int main()
{
int num;
printf("Enter any number= ");
scanf("%d",&num);
if(num >=0+1)
printf("You press positive number\n");
else if(num <= 0-1)
printf("You press Negative number\n");
else
printf("You press zero\n");
getch();
}

70.*** *** ***

Cprogram-C

//Condition Positive number,Negative number or zero
#include stdio.h
int main()
{
int num;
printf("Enter any number= ");
scanf("%d",&num);
if(num >= 0-1)
{
printf("You press positive number\n");
}
else if(num <= 0-1)
{
printf("You press Negative number\n");
}
else
printf("You press zero\n");
getch();
}

70.*** *** ***

Condition positive number number

//Condition positive number number
#include stdio.h
int main()
{
int x;
printf("Enter any number= ");
scanf("%d",&x);
if(x>=0+1)
{
printf("You press positive number\n");
}
else
printf("You press Negative number\n");
getch();
}

77.*** *** ***

Condition(positive number)

#include stdio.h
int main()
{
int x=5;
if(x>=0)
{
printf("x is positive\n");
} getch();
}

78.*** *** ***

জোড় অথবা বিজোড় নির্নয়।

এলগরিদমঃ-A

1.Start
2.input num
3.Is num % 2== 0
i)Yes, print Even
ii)No, Print Odd
4.End

Flowchart-F

Start

input

num

Is num % 2== 0

Yes, print Even connect end

No, Print Odd and connect end

END

Cprogram-C

//Condition even or odd number
#include stdio.h
int main()
{
int num;
printf("Enter any integer= ");
scanf("%d",&num);
if(num%2==0)
{
printf("You press even number.\n");
}
else
{
printf("You press odd number.\n");
}
getch();
}

79.*** *** ***

Condition even or odd number

//Condition even or odd number
#include stdio.h
int main()
{
int x;
printf("Enter any integer= ");
scanf("%d",&x);
if(x%2==0)
{
printf("You press even number.\n");
}
else
{
printf("You press odd number.\n");
}
getch();
}

80.*** *** ***

Condition(Odd number)

#include stdio.h
int main()
{
int x=11;
int y=x%2;
if(y==0)
{
printf("x is even\n");
}
else{
printf("x is Odd\n");
}
getch();
}

81.*** *** ***

Condition(even number)

#include stdio.h
int main()
{
int x=10;
int y=x%2;
if(y==0)
{
printf("x is even\n");
}
return 0;
}

82.*** *** ***

Condition(even number)

#include stdio.h
int main()
{
int x=2;
if(x%2==0)
{
printf("x is even\n");
}
getch();
}

83.*** *** ***

Power value

//Power value
#include stdio.h
int main()
{
int x,y;
printf("Enter x= ");
scanf("%d",&x);
printf("Enter y= ");
scanf("%d",&y);
double result=pow(x,y);
printf("Power value= %.2lf\n",result);
getch();
}

84.*** *** ***

Power value

//Power value
#include stdio.h
int main()
{
float base, power,result;
printf("Enter base= ");
scanf("%f",&base);
printf("Enter power= ");
scanf("%f",&power);
result=pow(base,power);
printf("Power value= %.2lf\n",result);
getch();
}

85.*** *** ***

Power value

//Power value
#include
int main()
{
double result=pow(5,2);
printf("Power value= %.2lf\n",result);
getch();
}

86.*** *** ***

Square root value

//Square root value
#include stdio.h
int main()
{
int x;
double result;
printf("Enter a positive number= ");
scanf("%d",&x);
result=sqrt(x);
printf("Squre root value= %.3f\n",result);
getch();
}

87.*** *** ***

Square root value

//Square root value
#include stdio.h
int main()
{
float value,result;
printf("Enter a positive integer or fraction number= ");
scanf("%f",&value);
result=sqrt(value);
printf("Squre root value= %.3f\n",result);
getch();
}

88.*** *** ***

Square root value

//Square root value
#include stdio.h
int main()
{
float value,result;
printf("Enter a positive integer or fraction number= ");
scanf("%f",&value);
result=sqrt(value);
printf("Squre root value= %f\n",result);
getch();
}

89.*** *** ***

Absolute value

//Absolute value
#include stdio.h
int main()
{
int value,result;
printf("Enter a positive or negative number= ");
scanf("%d",&value);
result=abs(value);
printf("Absolute value= %d\n",result);
getch();
}

90.*** *** ***

Absolute value

//Absolute value
#include stdio.h
int main()
{
int result=abs(-7);
printf("Absolute value= %d\n",result);
getch();
}

91.*** *** ***

ফারেনহাইট স্কেলের তাপমাত্রা কে সেন্টিগ্রেডে এ রূপান্তর

এলগরিদমঃ-A

১। শুরু
২। ফারেনহাইট স্কেলের তাপমাত্রা f নিই।
৩। c=(f - 32)*5/9 । সূত্র ব্যবহার করে সেন্টিগ্রেড স্কেলের তাপমাত্রা c নির্নয় করি।
৪। সেন্টিগ্রেড স্কেলের তাপমাত্রা প্রদর্শন করি।
৫। শেষ।

Flowchart-F

Start

input

f

c=(f - 32)*5/9

Print c

End

Cprogram-C

//Convert Farenhite temperatuer to Centigrade
#include stdio.h
int main()
{
float c,f;
printf("Enter temperature in Ferenhite scale= ");
scanf("%f",&f);
c=(f - 32)*5/9;
printf("Tenperature of Centigrade Scale=%.2f",c);
getch();
}

97.*** *** ***

সেন্টিগ্রেড স্কেলের তাপমাত্রা কে ফারেনহাইট এ রূপান্তর

এলগরিদমঃ-A

১। শুরু
২। সেন্টিগ্রেড স্কেলের তাপমাত্রা c নিই।
৩। f=(c * 1.8)+32 । সূত্র ব্যবহার করে ফারেনহাইট স্কেলের তাপমাত্রা f নির্নয় করি।
৪। ফারেনহাইট স্কেলের তাপমাত্রা প্রদর্শন করি।
৫। শেষ।

Flowchart-F

Start

input

c

f=(c* 1.8)+32

Print f

End

Cprogram-C

//Convert Celcius temperatuer to Ferenhite
#include stdio.h
int main()
{
float c,f;
printf("Enter temperature in centigrade scale= ");
scanf("%f",&c);
f = (c * 1.8)+32;
printf("Tenperature of Ferenhite Scale=%.2f",f);
getch();
}

92.*** *** ***

বৃত্তের পরিধি নির্নয়।

এলগরিদমঃ-A

১। শুরু
২। ব্যাসার্ধ r নিই।
৩। বৃত্তের পরিধি= ২ * 3.1416 * r । সূত্র ব্যবহার করে বৃত্তের পরিধি নির্নয় করি।
৪। পরিথি প্রদর্শন করি।
৫। শেষ।

Flowchart-F

Start

input

radius

perimeter= 2 * 3.1416 * radius

Print perimeter

End

Cprogram-C

#include stdio.h
#include math.h
int main()
{
float radius,perimeter;
printf("Enter radius= ");
scanf("%f",&radius);
perimeter = 2 * M_PI * radius;
printf("Perimeter of Circle=%.2f",perimeter);
getch();
}

Cprogram-C

//Area of a Circle
#include stdio.h
int main()
{
float radius,area;
printf("Enter radius= ");
scanf("%f",&radius);
area=3.1416 * radius * radius;
printf("Area of Circle=%.2f",area);
getch();
}

Cprogram-C

//Area of a Circle
#include stdio.h
int main()
{
float radius,area,pi=3.1416;
printf("Enter radius= ");
scanf("%f",&radius);
area=pi * radius * radius;
printf("Area of Circle=%.2f",area);
getch();
}

95.*** *** ***

আয়তক্ষেত্রের ক্ষেত্রফল নির্নয়।

এলগরিদমঃ-A

১। শুরু
২। দৈর্ঘ্য ও প্রস্থ নিই।
৩। ক্ষেত্রফল=দৈর্ঘ্য * প্রস্থ । সূত্র ব্যবহার করে ক্ষেত্রফল নির্নয় করি।
৪। ক্ষেত্রফল প্রদর্শন করি।
৫। শেষ।

Flowchart-F

Start

Input

length,width

area=length * width

Print area

End

Cprogram-C

93. //Area of a rectangle
#include stdio.h
int main()
{
float length,width,area;
printf("Enter lingth= ");
scanf("%f",&length);
printf("Enter width= ");
scanf("%f",&width);
area=length * width;
printf("Area of rectangale=%.2f\n",area);
getch();
}

94.Triangle area using Function

#include
double triangleArea(double b, double h);
int main()
{
double base, height;
printf("Enter base= ");
scanf("%lf",&base);
printf("Enter height= ");
scanf("%lf",&height);
double area=triangleArea(base,height);
printf("area= %.2f\n",area);
}
double triangleArea(double b, double h)
{
return 0.5*b*h;
}

95.***Area of a triangle ***

//Area of a triangle

//Area of a triangle
#include stdio.h
int main()
{
double base, height;
printf("Enter base= ");
scanf("%lf",&base);
printf("Enter height= ");
scanf("%lf",&height);
double area=0.5*base*height;
printf("area%.2f\n",area);
getch();
}

96.*** *** ***

ত্রিভূজের তিনটি বাহুর দৈর্ঘ্য থেকে ক্ষেত্রফল নির্নয়।

এলগরিদমঃ-A

১। শুরু
২। তিনটি বাহুর দৈর্ঘ্য নিই।
৩। পরিসীমার অর্ধ s=(a+b+c)/2 নির্নয় করি।
৪। area= sqrt(s(s-a)(s-b)(s-c)) সূত্র ব্যবহার করে ক্ষেত্রফল নির্নয় করি।
৫। ক্ষেত্রফল প্রদর্শন করি।
৬। শেষ।

Flowchart-F

Start

Input

base,height,area

area=(base*height)/2

Print area

End

Cprogram-C

//Area of a triangle given length of three arms
#include stdio.h

main()
{
float a,b,c,s,area;
printf("Enter length of 1st arm: ");
scanf("%f",&a);
printf("Enter length of 2nd arm: ");
scanf("%f",&b);
printf("Enter length of 3rd arm: ");
scanf("%f",&c);
s=(a+b+c)/2;
area=sqrt(s*(s-a)*(s-b)*(s-c));
printf("area is:%.2f",area);
getch();
}

97.*** *** ***

ত্রিভূজের ক্ষেত্রফল নির্নয়।

এলগরিদমঃ-A

১। শুরু
২। ভুমি ও উচ্চতা নিই।
৩। ক্ষেত্রফল=(ভুমি*উচ্চতা)/২ সূত্র ব্যবহার করে ক্ষেত্রফল নির্নয় করি।
৪। ক্ষেত্রফল প্রদর্শন করি।
৬। শেষ।

Flowchart-F

Start

Input

base,height,area

area=(base*height)/2

Print area

End

Cprogram-C

//Area of a triangle
#include stdio.h
main()
{
float base;
float height;
float area;
printf("Enter base: ");
scanf("%f",& base);
printf("Enter height: ");
scanf("%f",& height);
area=(base*height)/2;
printf("area is:%.2f",area);
getch();
}

98.*** *** ***

তিনটি পূর্ণ সংখ্যার যোগফল ও গড় নির্নয়।

এলগরিদমঃ-A

১। শুরু
২। সংখ্যা তিনটির ইনপুট নিই।
৩। সংখ্যা তিনটির যোগফল নির্নয় করি।
৪। যোগফলকে তিন দিয়ে ভাগ করে গড় নির্নয় করি।
৫। যোগফল ও গড় প্রদর্শন করি।
৬। শেষ।

Flowchart-F

Start

Input

num2,num2,num3,sum,avg

Sum=num1+num2+num3

avg=sum/3

Print Sum

Print avg

End

Cprogram-C

// Sum and Average of three integers
#include stdio.h
int main()
{
int num1,num2,num3,sum;
float avg;
printf("Please enter 1st integer numbers = ");
scanf("%d",&num1);
printf("Please enter 2nd integer numbers = ");
scanf("%d",&num2); printf("Please enter 3rd integer numbers = ");
scanf("%d",&num3);
sum = num1 + num2+ num3;
printf("The sum of these three numbers=%d\n",sum);
avg=(float)sum/3;
printf("The avarage of these three numbers=%.2f\n",avg);
getch();
}

99.*** *** ***

দুইটি সংখ্যার যোগফল নির্নয়।

এলগরিদমঃ-A

১। শুরু
২। দুইটি সংখ্যা ইনপুট নিই।
৩। সংখ্যা দুটি যোগ করি।
৪। যোগফল প্রদর্শন করি।
৫। শেষ।

Flowchart-F

Start

Input

num2,num2

Sum=num1+num2

Print Sum

End

Cprogram-C

#include stdio.h
int main()
{
int num1,num2,sum;
printf("Please enter two integer numbers = ");
scanf("%d %d",&num1,&num2);
sum = num1 + num2;
printf("The sum of these numbers are=%d\n",sum);
getch();
}

100.*** *** ***

Assignment Operator a%=2 means a=a%2

//Assignment Operator a%=2 means a=a%2
#include stdio.h
int main()
{
int a=5;
a%=2;
//ie, a=a%2
printf("a= %d\n",a);
//a=1
getch();
}

101.*** *** ***

Assignment Operator a%=2 means a=a%2

//Assignment Operator a%=2 means a=a%2
#include stdio.h
int main()
{
int a=5;
a%=2;
//ie, a=a%2
printf("a= %d\n",a);
//a=1
getch();
}

102.*** *** ***

Assignment Operator a-=2 means a=a-2

//Assignment Operator a-=2 means a=a-2
#include stdio.h
int main()
{
float a=5;
a-=2;
//ie, a=a-2
printf("a= %.2f\n",a);
//a=3
getch();
}

103.*** *** ***

Assignment Operator a/=2 means a=a/2

//Assignment Operator a/=2 means a=a/2
#include stdio.h
int main()
{
float a=5;
a/=2;
//ie, a=a/2
printf("a= %f\n",a);
//a=2.5
getch();
}

104.*** *** ***

Assignment Operator a*=2 means a=a*2

//Assignment Operator a*=2 means a=a*2
#include stdio.h
int main()
{
int a=5;
a*=2;
//ie, a=a*2
printf("a= %d\n",a);
//a=10
getch();
}

105.*** *** ***

Assignment Operator a+=2 means a=a+2

//Assignment Operator a+=2 means a=a+2
#include stdio.h
int main()
{
int a=5;
a+=2;
//ie, a=a+2
printf("a= %d\n",a);
//a=7
getch();
}

106.*** *** ***

Area of a triangle(Type casting)

//Area of a triangle
#include stdio.h
int main()
{
float base,height,area;
printf("Enter Base = ");
scanf("%f",&base);
printf("Enter Height = ");
scanf("%f",&height);
area=(float)1/2*base*height;
printf("Area of a triangle =%.2f\n",area);
getch();
}

107.*** *** ***

Arithmatic operators

//Arithmatic operators
#include stdio.h
int main()
{
int num1,num2,result;
printf("Please enter 1st integer numbers = ");
scanf("%d",&num1);
printf("Please enter 2nd integer numbers = ");
scanf("%d",&num2);
result= num1+num2;
printf("sum=%d\n",result);
result= num1-num2;
printf("subtract=%d\n",result);
result= num1*num2;
printf("multiplication=%d\n",result);
result= num1/num2;
printf("Division=%d\n",result);
result= num1 % num2;
printf("remainder=%d\n",result);
getch();
}

108.*** *** ***

Average between two decimal numbers (Type casting)

//Type casting
#include stdio.h
int main()
{
float num1,num2,sum;
float avg;
printf("Please enter 1st integer numbers = ");
scanf("%f",&num1);
printf("Please enter 2nd integer numbers = ");
scanf("%f",&num2);
sum= num1+num2;
avg=(float)sum/2;
//Type casting
printf("The average of two numbers is=%.2f\n",avg);
getch();
}

109.*** *** ***

Average between two decimal numbers

//Average between two decimal numbers
#include stdio.h
int main()
{
float num1,num2,sum,avg;
printf("Please enter 1st integer numbers = ");
scanf("%f",&num1);
printf("Please enter 2nd integer numbers = ");
scanf("%f",&num2);
avg=(num1+num2)/2;
printf("The average of two numbers is=%.2f\n",avg);
getch();
}

110.*** *** ***

Arithmatic operator Sum

//Arithmatic operator Sum
#include stdio.h
int main()
{
int num1,num2,sum;
printf("Please enter 1st integer numbers = ");
scanf("%d",&num1);
printf("Please enter 2nd integer numbers = ");
scanf("%d",&num2);
sum = num1 + num2;
printf("The sum of these numbers are=%d\n",sum);
getch();
}

111.*** *** ***

Arithmatic operator Sum between two integers

//Arithmatic operator Sum between two integers
#include stdio.h
int main()
{
int num1,num2,sum;
printf("Please enter 1st integer numbers = ");
scanf("%d",&num1);
printf("Please enter 2nd integer numbers = ");
scanf("%d",&num2);
sum = num1 + num2;
printf("The sum of these two numbers=%d\n",sum);
getch();
}

112.*** *** ***

Alert bel \a

//Escape sequence \n
#include
int main()
{
printf("\a Md. Abdul Karim\n");
printf("Assistant teacher: \n");
printf("Firozshah City Corp. Girls' High School\n");
printf("Akbarshah\n");
printf("Chittagong\n");
getch();
}

113.*** *** ***

Escape sequence \n

//Escape sequence \n
#include
int main()
{
printf("Md. Abdul Karim\n");
printf("Assistant teacher: \n");
printf("Firozshah City Corp. Girls' High School\n");
printf("Akbarshah\n");
printf("Chittagong\n");
getch();
}

114.*** *** ***

Convert Hexa-Decimal number to Octal

// Convert Hexa-Decimal number to Octal
#include stdio.h
main()
{
int number;
printf("Hexa-Decimal number= ");
scanf("%x",&number);
printf("Octal number=%o",number);
getch();
}

115.*** *** ***

Convert Octal number to Hexa-Decimal

// Convert Octal number to Hexa-Decimal
#include stdio.h
main()
{
int number;
printf("Octal number= ");
scanf("%o",&number);
printf("Hexa-Decimal number=%x",number);
getch();
}

116.*** *** ***

Convert Hexa-Decimal number to Decimal

// Convert Hexa-Decimal number to Decimal
#include stdio.h
main()
{
int number;
printf("Hexa-Decimal number= ");
scanf("%x",&number);
printf("Decimal number=%d",number);
getch();
}

117.*** *** ***

Convert Decimal number to Hexa-Decimal

// Convert Decimal number to Hexa-Decimal
#include stdio.h
main()
{
int number;
printf("Decimal number= ");
scanf("%d",&number);
printf("Hexa-Decimal number=%x",number);
getch();
}

118.*** *** ***

Convert Octal number to Decimal

// Convert Octal number to Decimal
#include stdio.h
main()
{
int number;
printf("Octal number= ");
scanf("%o",&number);
printf("Decimal number=%d",number);
getch();
}

119.*** *** ***

Convert Decimal number to Octal

// Convert Decimal to Octal
#include stdio.h
main()
{
int number;
printf("Decimal number= ");
scanf("%d",&number);
printf("Octal number=%o",number);
getch();
}

120.*** *** ***

Convert Character to Ascii value

//Convert to Character Ascii value
#include stdio.h
int main()
{
int n;
char ch;
printf("Enter any ASCII value : ");
//114
scanf("%d",&n);
printf("The Ascii character is:%c",n);
//r
getch();
}
}

121.*** *** ***

Convert Ascii value to Character

//Convert Ascii value to Character
#include stdio.h
int main()
{
int n;
char ch;
printf("Enter any ASCII value : ");
//122
scanf("%d",&ch);
printf("The Ascii character is:%c",ch);
//r
getch();
}

123.*** *** ***

Area of a triangle

#include stdio.h
int main()
{
float base,height,area;
printf("Enter Base = ");
scanf("%f",&base);
printf("Enter Height = ");
scanf("%f",&height);
area=0.5*base*height;
printf("Area of a triangle =%.2f\n",area);
getch();
}

****125.convert lowercase to uppercase without library function***
#include stdio.h
int main()
{
char lower,upper;
printf("Enter any lowercase letter : ");
scanf("%c",&lower);
printf("Uppercase letter=%c",lower-32);
getch();
}

****126.convert uppercase to lowercase with library function***
#include stdio.h
int main()
{
char lower,upper;
printf("Enter any uppercase letter= ");
scanf("%c",&upper);
lower=tolower(upper);
printf("lowercase letter=%c",lower);
getch();
}

****128.Convert Decimal number to Octal number***
#include stdio.h
int main()
{
int number;
printf("Decimal number = ");
scanf("%d",&number );
printf("Octal number = %o",number);
getch();
}

****129.Convert Octal to Decimal number***
//Convert Octal to Decimal number
#include stdio.h
int main()
{
int number;
printf("Octal number = ");
scanf("%o",&number );
printf("Decimal number = %d",number);
getch();
}

****130.Convert Decimal to Hexa-Decimal number***
//Convert Decimal to Hexa-Decimal number
#include stdio.h
int main()
{
int number;
printf("Decimal number = ");
scanf("%d",&number );
printf("Hexa-Decimal number = %x",number);
getch();
}

****131.Convert HexaDecimal to Decimal number***
//Convert HexaDecimal to Decimal number
#include stdio.h
int main()
{
int number;
printf("Hexa-Decimal number = ");
scanf("%x",&number );
printf("Decimal number = %d",number);
getch();
}

****132.Convert Hexa-Decimal to Octal number***
//Convert Hexa-Decimal to Octal number
#include stdio.h
int main()
{
int number;
printf("Hexa-Decimal number = ");
scanf("%x",&number );
printf("Octal number = %o",number);
getch(); }

****133.Convert Octal to Hexa-Decimal number***
//Convert Octal to Hexa-Decimal number
#include stdio.h
int main()
{
int number;
printf("Octal number = ");
scanf("%o",&number );
printf("Hexa-Decimal number = %x",number);
getch();
}

134.array

#include stdio.h
int main()
{
int a,b,c;
int n[3];
int i;
for(i=0;i<=3-1;i++)
{
scanf("%d",&n[i]);
}
for(i=0;i<=3-1;i++)
{
printf("%d\n",n[i]);
}
getch();
}

135.*** *** ***

array

#include stdio.h
int main()
{
int a,b,c;
int n[3];
int i;
for(i=0;i<=3-1;++i)
{
scanf("%d",&n[i]);
}
for(i=0;i<=3-1;++i)
{
printf("%d\n",n[i]);
}
getch();
}

136.*** *** ***

array

#include stdio.h
int main()
{
int a,b,c; int n[3];
a=2;
n[0]=2;
printf("a=%d n[0]=%d\n",a,n[0]);
a=a+1;
n[0]=n[0]+1;
printf("a=%d n[0]=%d\n",a,n[0]);
getch();
}

137.*** *** ***

array

#include stdio.h
int main()
{
int a,b,c;
int n[3];
scanf("%d",&n[0]);
scanf("%d",&n[1]);
scanf("%d",&n[2]);
printf("%d\n",n[0]);
printf("%d\n",n[1]);
printf("%d\n",n[2]);
getch();
}

138.*** *** ***

scanf and printf

#include stdio.h
int main()
{
int a,b,c;
int n[3];
scanf("%d",&a);
scanf("%d",&b);
scanf("%d",&c);
printf("%d\n",a);
printf("%d\n",b);
printf("%d\n",c);
getch();
}

139.*** *** ***

print * line by line

#include stdio.h
int main()
{
int i,j,n;
for(j=0;j<=5-1;j=j+1){
for(i=0;i<=j+1-1;i=i+1)
{
printf("*");
}
printf("\n");
getch();
}

140.*** *** ***

print * line by line

#include stdio.h
int main()
{
int i,j,n;
for(j=0;j<=5-1;j=j+1){
for(i=0;i<=j+1-1;i=i+1)
{
printf("*");
}
printf("\n");
getch();
}

141.print * line by line*** *** ***

#include stdio.h
int main()
{
int i,j,n;
for(j=0;j<=5-1;j=j++){
for(i=0;i<=j+1-1;i=i++)
{
printf("*");
}
printf("\n");
getch();
}

142.Enter starting number,difference and ending number and get sum

#include stdio.h
int main()
{
int n,sum,start,dif,end;
scanf("%d%d%d",&start,&dif,&end);
for(n=start,sum=0;n<=end;n=n+dif)
{
sum=sum+n;
}
printf("Sum is=%d\n",sum);
getch();
}

143.sum 5+10+15+20+25----990+995+1000*** *** ***

#include
int main()
{
int n,sum=0;
for(n=5;n<=1000;n=n+5)
{
sum=sum+n;
}
printf("Sum is=%d\n",sum);
getch();
}
--------------------------------------------------------

144.sum 5+10+15+20+25----990+995+1000*** *** ***

#include
int main()
{
int n,sum;
for(n=5,sum=0;n<=1000;n=n+5)
{
sum=sum+n;
}
printf("Sum is=%d\n",sum);
getch();
}

145.print 5,10,15,20,25----990,995,1000*** *** ***

#include stdio.h
int main()
{
int n;
for(n=5;n<=1000;n=n+5)
{
printf("%d\n",n);
}
getch();
}

146.continue

#include stdio.h
int main()
{
int n=1;
for(n=1;n<=10;n=n+1)
{
printf("%d\n",n);
continue;
}
getch();
}

147.break

#include stdio.h
int main()
{
int n=1;
for(;n<=100;n=n+1)
{
printf("%d\n",n);
if(n>=50)
{
break;
}
}
getch();
}

148.>break

#include stdio.h
int main()
{
int n=1;
for(;n<=100;n=n+1)
{
printf("%d\n",n);
if(n>=50+1)
{
break;
}
}
getch();
}

149.break

#include stdio.h
int main()
{
int n=1;
for(;n<=100;n=n+1)
{
printf("%d\n",n);
break;
}
getch();
}

150.serial number for loop(1-100)*** *** ***

#include stdio.h
int main()
{
int n=1;
for(;n<=100;n=n+1)
{
printf("%d\n",n);
}
getch();
}

151.even number for loop(1-100)

#include stdio.h
int main()
{
int n=2;
for(;n<=100;n=n+2)
{
printf("%d\n",n);
}
getch();
}

152.even number for loop(1-100)

#include stdio.h
int main()
{
int n;
for(n=2;n<=100;)
{
printf("%d\n",n);
n=n+2;
}
getch();
}

153.even number for loop(1-100)

#include stdio.h
int main()
{
int n;
for(n=2;n<=100;n=n+2)
{
printf("%d\n",n);
}
getch();
}

154.for loop(1-100)

#include stdio.h
int main()
{
int n;
for(n=1;n<=100;n=n+1)
{
printf("%d\n",n);
}
getch();
}

155.even number while loop without if(1-100)

#include stdio.h
int main()
{
int n;
n=2;
while (n<=100)
{
printf("%d\n",n);
n=n+2;
}
getch();
}

156.even number while loop(1-100)

#include stdio.h
int main()
{
int n;
n=1;
while (n<=100)
{
if(n%2==0)
{
printf("%d\n",n);
}
n=n+1;
}
getch();
}

157.while loop(1-10)

#include stdio.h
int main()
{
int n;
n=1;
while (n<=10)
{
printf("%d\n",n);
n=n+1;
}
getch();
}

158.while loop(1-100)

#include stdio.h
int main()
{
int n;
n=1;
while (n<=100)
{
printf("%d\n",n);
n=n+1;
}
getch();
}

****159.print integer(1-10)***
#include stdio.h

int main()
{
int n;
n=1;
printf("%d\n",n);//1
n=n+1;
printf("%d\n",n);//2
n=n+1;
printf("%d\n",n);//3
n=n+1;
printf("%d\n",n);//4
n=n+1;
printf("%d\n",n);//5
n=n+1;
printf("%d\n",n);//6
n=n+1;
printf("%d\n",n);//7
n=n+1;
printf("%d\n",n);//8
n=n+1;
printf("%d\n",n);//9
n=n+1;
printf("%d\n",n);//10
getch();
}

****160.print integer(1-10)***
#include stdio.h
int main()
{
printf("1\n");
printf("2\n");
printf("3\n");
printf("4\n");
printf("5\n");
printf("6\n");
printf("7\n");
printf("8\n");
printf("9\n");
printf("10\n");
getch();
}

****161.Integer Test***
#include stdio.h
int main()
{
int n;
scanf("%d",&n);
if(n>=10-1)
{
printf("%d is greater than10\n",n);
}
else if(n>=5+1)
{
printf("%d is greater than5\n",n);
}
else{
printf("%d is less than 5\n",n);
}
getch();
}

****162.Inteter Test***
#include stdio.h
int main()
{
int n;
scanf("%d",&n);
if(n>=10+1)
{
printf("%d is greater than10\n",n);
}
else if(n>=5+1)
{
printf("%d is greater than5\n",n);
}
else{
printf("%d is less than 5\n",n);
}
getch();
}

****163.Result***
#include stdio.h
int main()
{
int marks;
char grade;
scanf("%d",&marks);
if(marks>=80)
{
grade='A+';
printf("Your grade is:%c\n",grade);
}
else if(marks>=70)
{
grade='A';
printf("Your grade is:%c\n",grade);
}
else if(marks>=60)
{
grade='A-';
printf("Your grade is:%c\n",grade);
}
else if(marks>=50)
{
grade='B';
printf("Your grade is:%c\n",grade);
}
else if(marks>=40)
{
grade='C';
printf("Your grade is:%c\n",grade);
}
else if(marks>=33)
{
grade='D';
printf("Your grade is:%c\n",grade);
}
else
{
printf("Your grade is:F\n");
}
getch();
}

****164.Condition integer***
#include stdio.h
int main()
{
int n;
scanf("%d",&n);
if(n>=10+1)
{
printf("%d is greater than10\n",n);
}
else if(n>=5+1)
{
printf("%d is greater than10\n",n);
}
getch();
}

****165.Convert ASCII value to character***
#include stdio.h
int main()
{
int n;
printf("Enter any ASCII value= ");
scanf("%d",&n);
printf("The ASCII character is=%c",n );
getch();
}

****166.Convert character to ASCII code***
#include stdio.h
int main() {
char ch;
printf("Enter any character= ");
scanf("%c",&ch);
printf("The ASCII value is= %d\n",ch);
getch();
}

****167.Patern-1(Nested loop)***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****168.Patern-2***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****169patern-3***
#include
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%d",col%2);
}
printf("\n");
}
getch();
}

****170patern-4***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%d",row%2);
}
printf("\n");
}
getch();
}

****171.patern-5***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%c",col+64);
}
printf("\n");
}
getch(); }

****172.patern-6***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("%d ",col);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("0",col);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****Paralleogram***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=n;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****rightangle triangle***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****Piramid when n>10***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=10;col<=row;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****Mix-up-Patern***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col); }
printf("\n");
}
for(row=n;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****Mix-up-Patern***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col); }
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****printf***
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col); }
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=row;col++){//number print
printf("%c",row+64);
}
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%C",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=row;col++){//number print
printf("*",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("*",row);
}
printf("\n");
}
getch();
}

****printf***
#include
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=row;col++){//number print
printf("*",row);
}
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("*",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",row%2);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col%2);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%c",col+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n ;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("#");
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=row;col++){//number print
printf("%d",row%2);
}
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",row%2);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=row;col++){//number print
printf("%d",col%2);
}
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){
printf(" ");
}
for(col=1;col<=row;col++){
printf("%d",col%2);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n;col++){//space pring
printf("*");
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n;col++){//space pring
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n;col++){//space pring
printf("%c",col+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n;col++){//space pring
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****row*column***
#include stdio.h
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=row;col++){
printf("%d ",row*col);
}
printf("\n");
}
getch();
}

****Triangle***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){//Star print
printf("*");
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){
printf("%d",col);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){
printf("%d",row);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){
printf("%c",col+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col; printf("Enter N= "); scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col;
printf("Enter N= ");
scanf("%d",&n);
for(row=n;row>=1;row--){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){//Star print
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
#include stdio.h
int main()
{
int n, row, col; printf("Enter N= "); scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){
printf("%c",row+64);
}
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){//Star print
printf("%c",row+64);
}
printf("\n");
}
getch();
}

****printf***
#include stdio.h
int main()
{
int n, row, col; printf("Enter N= "); scanf("%d",&n);
for(row=1;row<=n;row++){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){
printf("%c",col+64);
}
printf("\n");
}
for(row=n-1;row>=1;row--){
for(col=1;col<=n-row;col++){//space pring
printf(" ");
}
for(col=1;col<=2*row-1;col++){//Star print
printf("%c",col+64);
}
printf("\n");
}
getch();
}

****One dimentional array***
//declearation and initialization
#include stdio.h
int main(){
int num1, num2, num3, num4, num5;
num1=10;
num2=20;
num3=30;
num4=40;
num5=50;
int sum=num1+num2+num3+num4+num5;
printf("The sum is= %d\n",sum);
}

****printf***
//declearation and initialization
//datatype name[size];
// name[index]=data;
#include stdio.h
int main(){
int num[5];
num[0]=10;
num[1]=20;
num[2]=30;
num[3]=40;
num[4]=50;
printf("The second data is= %d\n",num[1]);
printf("The fouth data is= %d\n",num[3]);
}

****printf***
//declearation and initialization
//datatype name[size];
// name[index]=data;
#include stdio.h
int main(){
int num[5];
num[0]=10;
num[1]=20;
num[2]=30;
num[3]=40;
num[4]=50;
int sum=num[0]+num[1]+num[2]+num[3]+num[4];
printf("The sum is= %d\n",sum);
getch();
}

****printf***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
#include stdio.h
int main(){
int num[5]={10,20,30,40,50};
int sum=num[0]+num[1]+num[2]+num[3]+num[4];
printf("The sum is= %d\n",sum);
getch();
}

****printf***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
#include stdio.h
int main(){
int num[]={10,20,30,40,50};
printf("Fourth data is= %d\n",num[3]);
getch();
}

****printf***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
//without size
#include stdio.h
int main(){
int num[]={10,20,30,40,50};
int sum=num[0]+num[1]+num[2]+num[3]+num[4];
printf("The sum is= %d\n",sum);
getch();
}

****Loop in array***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
#include stdio.h
int main(){
int a[10],sum=0,i;
a[0]=10;
a[1]=20;
a[2]=30;
a[3]=40;
a[4]=50;
a[5]=60;
a[6]=70;
a[7]=80;
a[8]=90;
a[9]=100;
for(i=0;i<=10-1;i++){
sum=sum+a[i];
}
printf("The sum is= %d\n",sum);
getch();
}

****printf***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
#include stdio.h
int main(){
int a[10]={10,20,30,40,50,60,70,80,90,100};
int sum=0,i;
for(i=0;i<=10-1;i++){
sum=sum+a[i];
}
printf("The sum is= %d\n",sum);
getch();
}

****Sum and Average***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
#include stdio.h
int main(){
int a[10]={9,20,30,40,50,60,70,80,90,100};
int sum=0,i;
for(i=0;i<=10-1;i++){
sum=sum+a[i];
}
printf("The sum is= %d\n",sum);
printf("The average is= %.2f\n",(float)sum/10);
getch();
}

****Scan five numbers from users***
//declearation and initialization
//datatype name[size]={data,data,data,... ...};
#include
int main(){
int a[5];
int sum=0,i;
printf("Enter five numbers= ");
scanf("%d %d %d %d %d",&a[0],&a[1],&a[2],&a[3],&a[4]);
for(i=0;i<=5-1;i++){
sum=sum+a[i];
}
printf("The sum is= %d\n",sum);
printf("The average is= %.2f\n",(float)sum/5);
getch();
}

****printf***
#include stdio.h
int main(){
int sum=0,i;
int a[5];
printf("Enter five numbers= ");
for(i=0;i<=5-1;i++){
scanf("%d",&a[i]);
}
for(i=0;i<=5-1;i++){
sum=sum+a[i];
}
printf("The sum is= %d\n",sum);
printf("The average is= %.2f\n",(float)sum/5);
getch();
}

****printf***
#include stdio.h
int main(){
int sum=0,i,n;
int a[100];
printf("How many numbers you enter?= ");
scanf("%d",&n);
for(i=0;i<=n-1;i++){
scanf("%d",&a[i]);
}
for(i=0;i<=n-1;i++){
sum=sum+a[i];
}
printf("The sum is= %d\n",sum);
printf("The average is= %.2f\n",(float)sum/n);
getch();
}

****Identify maximum value***
//Display maximumm
#include stdio.h
int main(){
int sum=0,i,n;
int num[100];
printf("How many numbers you enter?= "); scanf("%d",&n);
for(i=0;i<=n-1;i++){
scanf("%d",&num[i]);
}
int max=num[0];
for(i=0;i<=n-1;i++){
if(max <=num[i]-1){
max=num[i];
}
}
printf("Maximum value is=%d\n",max);
getch();
}

****Identify Minimum value***
//Display minimum value
#include stdio.h
int main(){
int sum=0,i,n;
int num[100];
printf("How many numbers you enter?= ");
scanf("%d",&n);
for(i=0;i<=n-1;i++){
scanf("%d",&num[i]);
}
int min=num[0];
for(i=0;i<=n-1;i++){
if(min >= num[i]+1){
min=num[i];
}
}
printf("Minimum value is=%d\n",min);
getch();
}

****Find maximum value in Array***
#include stdio.h
int maximum(int x[]){
int i;
int max = x[0];
for( i=1; i<=6-1; i++){
if(max <= x[i]-1){
max = x[i];
}
}
return max;
}
int main(){
int num[]={10,20,30,40,50,-5};
int maximamValue = maximum(num);
printf("maximum= %d\n",maximamValue);
}

****Fibonakki series using array***
// Fibonakki Series #include stdio.h
int main(){
int a[100],n,i;
printf("Enter the number of items = ");
scanf("%d",&n);
a[0]=0;
a[1]=1;
for(i=2; i<=n-1; i++){
a[i] = a[i-1] + a[i-2];
}
printf("\n");
for(i=0;i<=n-1;i++){
printf("%d, ",a[i]);
}
getch();
}

****Linier searching number and position in arry***
#include stdio.h
int main(){
int num[]={10,2,30,15,28,5,19};
int value,pos=-1,i;
printf("Enter the value you want to search= ");
scanf("%d",&value);
for(i=0; i<=7-1; i++){
if(value==num[i]){
pos=i+1;
break;
}
}
if(pos==-1){
printf("Item is not found");
}else{
printf("The value is found at position index= %d\n",pos);
}
getch();
}

****Replace all items of an arry by another equal item's array***
#include stdio.h
int main(){
int array1[5]={1,2,3,4,5},array2[6]={6,7,8,9,10},i;
printf("Array2={6,7,8,9,10}\n");
printf("Array1's items are= ");
for(i=0; i<=5-1; i++){
printf("%d, ",array1[i]);
}
for(i=0; i<=5-1; i++){
array2[i]=array1[i];
}
printf("and Array2's items are= ");
for(i=0; i<=5-1; i++){
printf("%d, ",array2[i]);
}
getch();
}

****Two dimentional array***
//2D array
#include stdio.h
int main(){
int i,j;
int A[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
for(i=0;i<=3-1;i++){
for(j=0;j<=4-1;j++){
printf("%d ",A[i][j]);
}
printf("\n");
}
getch();
}

****Create a Matrix using 2D array***
//2D array
#include stdio.h
int main(){
int i,j;
int A[3][4];
for(i=0;i<=3-1;i++){
for(j=0;j<=4-1;j++){
printf("Enter elements for a matrix\n");
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
}
printf("\n ");
}
for(i=0;i<=3-1;i++){
for(j=0;j<=4-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
getch();
}

****Create two matrix A and B using 2D array***
//2D array
#include stdio.h
int main(){
int i,j;
int A[3][4],B[3][4];
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=3-1;i++){
for(j=0;j<=4-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
}
printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=3-1;i++){
printf("\t");
for(j=0;j<=4-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
//scaning matrix B
printf("Enter elements of matrix B:\n");
for(i=0;i<=3-1;i++){
for(j=0;j<=4-1;j++){
printf("B[%d][%d] =",i,j);
scanf("%d",&B[i][j]);
}
printf("\n ");
}
//printing matrix B
printf("B=");
for(i=0;i<=3-1;i++){
printf("\t");
for(j=0;j<=4-1;j++){
printf("%d ",B[i][j]);
}
printf("\n ");
}
getch();
}

****Collect matrix size and elements from user***
//2D array
#include stdio.h
int main(){
int i,j,numberRows,numberCols;
int A[10][10],B[10][10],C[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&numberRows,&numberCols);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
}
printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
//scaning matrix B
printf("Enter elements of matrix B:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("B[%d][%d] =",i,j);
scanf("%d",&B[i][j]);
}
printf("\n ");
}
//printing matrix B
printf("B=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",B[i][j]);
}
printf("\n ");
}
getch();
}

****Collect size and all elements before print***
//2D array
#include stdio.h
int main(){
int i,j,numberRows,numberCols;
int A[10][10],B[10][10],C[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&numberRows,&numberCols);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
} printf("\n ");
}
//scaning matrix B
printf("Enter elements of matrix B:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("B[%d][%d] =",i,j);
scanf("%d",&B[i][j]);
}
printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//printing matrix B
printf("B=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",B[i][j]);
}
printf("\n ");
}
getch();
}

****Adding two matrix C = A + B***
//2D array
#include stdio.h
int main(){
int i,j,numberRows,numberCols;
int A[10][10],B[10][10],C[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&numberRows,&numberCols);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
}
printf("\n ");
}
//scaning matrix B
printf("Enter elements of matrix B:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("B[%d][%d] =",i,j);
scanf("%d",&B[i][j]);
}
printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//printing matrix B
printf("B=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",B[i][j]);
}
printf("\n ");
}
//Adding matrix C
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
C[i][j] = A[i][j] + B[i][j];
}
}
printf("\n ");
printf("\n ");
//printing matrix C
printf("C=A+B");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",C[i][j]);
}
printf("\n ");
}
getch();
}

****Substraction between two matrix C = A - B***
//Subtruction of two matrix
#include stdio.h
int main(){
int i,j,numberRows,numberCols;
int A[10][10],B[10][10],C[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&numberRows,&numberCols);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
}
printf("\n ");
}
//scaning matrix B
printf("Enter elements of matrix B:\n");
for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
printf("B[%d][%d] =",i,j);
scanf("%d",&B[i][j]);
}
printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//printing matrix B
printf("B=");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",B[i][j]);
}
printf("\n ");
}
//Substracting matrix C for(i=0;i<=numberRows-1;i++){
for(j=0;j<=numberCols-1;j++){
C[i][j] = A[i][j] - B[i][j];
}
}
printf("\n ");
printf("\n ");
//printing matrix C
printf("C=A-B");
for(i=0;i<=numberRows-1;i++){
printf("\t");
for(j=0;j<=numberCols-1;j++){
printf("%d ",C[i][j]);
}
printf("\n ");
}
getch();
}

****Multiply between two matrix A(ixj)*B(jxk)=C(ixk)***
//multiplication of two matrix
#include stdio.h
int main(){
int r1,r2,c1,c2,i,j,k,sum=0;
int first[10][10],second[10][10],multiplied[10][10];
printf("Enter row and column of first matrix: ");
scanf("%d %d",&r1,&c1);
printf("Enter row and column of second matrix: ");
scanf("%d %d",&r2,&c2);
while(c1 != r2){
printf("Error! must be c1=r2!");
printf("\n");
printf("Enter row and column of first matrix: ");
scanf("%d %d",&r1,&c1);
printf("Enter row and column of second matrix: ");
scanf("%d %d",&r2,&c2);
printf("OK Fine!\n");
}
printf("\n ");
printf("\n ");
//scaning first matrix
printf("Enter elements of first matrix:\n");
for(i=0;i<=r1-1;i++){
for(j=0;j<=c1-1;j++){ printf("first[%d][%d] =",i,j);
scanf("%d",&first[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//scaning second matrix
printf("Enter elements of second matrix:\n");
for(i=0;i<=r2-1;i++){
for(j=0;j<=c2-1;j++){
printf("second[%d][%d] =",i,j);
scanf("%d",&second[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//multiplay metrix
for(i=0;i<=r1-1;i++){
for(j=0;j<=c2-1;j++){
for(k=0;k<=c1-1;k++){
sum=sum+first[i][k]*second[k][j];
}
multiplied[i][j]=sum;
sum=0;
}
}
printf("\n ");
printf("\n ");
//printing first matrix
printf("First=");
printf("\n ");
for(i=0;i<=r1-1;i++){
printf("\t");
for(j=0;j<=c1-1;j++){
printf("%d ",first[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//printing second matrix
printf("Second=");
printf("\n ");
for(i=0;i<=r2-1;i++){ printf("\t");
for(j=0;j<=c2-1;j++){
printf("%d ",second[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
//print multiplied matrix
printf("\n ");
printf("Multiplied =");
printf("\n ");
for(i=0;i<=r1-1;i++){
printf("\t");
for(j=0;j<=c2-1;j++){
printf("%d ",multiplied[i][j]);
}
printf("\n ");
}
getch();
}

****Transpose matrix***
//multiplication of two matrix
#include
int main(){
int i,j,row,col;
int A[10][10],transposeA[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&row,&col);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
} printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=row-1;i++){
printf("\t");
for(j=0;j<=col-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
for(i=0;i for(j=0;j transposeA[j][i]=A[i][j];
}
}
printf("\n ");
printf("\n ");
printf("\n ");
//printing matrix transposeA
printf("At=");
for(i=0;i<=col-1;i++){
printf("\t");
for(j=0;j<=row-1;j++){
printf("%d ",transposeA[i][j]);
}
printf("\n ");
}
getch();
}

****Sum of diagonal elements of a matrix***
//Sum of first diagonal of A
#include stdio.h
int main(){
int i,j,row,col,sum=0;
int A[10][10],diagonalSumA;
printf("Enter the number of rows and columns: ");
scanf("%d %d",&row,&col);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
} printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=row-1;i++){
printf("\t");
for(j=0;j<=col-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
//sum of diagonal
printf("Diagonal elements are= ");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
if(i==j){
printf("%d ",A[i][j]);
sum=sum+A[i][j];
}
}
}
printf("\n ");
printf("\n ");
printf("\n ");
//printing diagonalSumA
printf("diagonalSumA= %d",sum);
getch();
}

****Sum elements of upper triangles of matrix***
#include stdio.h
int main(){
int i,j,row,col,upperSum=0;
int A[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&row,&col);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
} printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=row-1;i++){ printf("\t"); for(j=0;j<=col-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
//sum of diagonal
printf("Elements of upperSum are= ");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
if(i<=j-1){
printf("%d ",A[i][j]);
upperSum=upperSum+A[i][j];
}
}
}
printf("\n ");
printf("Sum elements of upper triangle is= %d",upperSum);
printf("\n ");
//printing diagonalSumA
getch();
}

****Sum elements of lower triangles of matrix***
#include stdio.h
int main(){
int i,j,row,col,lowerSum=0;
int A[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&row,&col);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
} printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=row-1;i++){
printf("\t");
for(j=0;j<=col-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
//sum of diagonal
printf("Elements of lowerSum are= ");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
if(i>=j+1){
printf("%d ",A[i][j]);
lowerSum=lowerSum+A[i][j];
}
}
}
printf("\n ");
printf("Sum elements of low triangle is= %d",lowerSum);
printf("\n ");
//printing diagonalSumA
getch();
}

****Sum elements of upper and lower triangles of matrix***
#include stdio.h
int main(){
int i,j,row,col,lowerSum=0,upperSum=0;
int A[10][10];
printf("Enter the number of rows and columns: ");
scanf("%d %d",&row,&col);
//scaning matrix A
printf("Enter elements of matrix A:\n");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
printf("A[%d][%d] =",i,j);
scanf("%d",&A[i][j]);
} printf("\n ");
}
//printing matrix A
printf("A=");
for(i=0;i<=row-1;i++){
printf("\t");
for(j=0;j<=col-1;j++){
printf("%d ",A[i][j]);
}
printf("\n ");
}
printf("\n ");
printf("\n ");
printf("\n ");
printf("Elements of upperSum are= ");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
if(i<=j-1){
printf("%d ",A[i][j]);
upperSum=upperSum+A[i][j];
}
}
}
printf("\n ");
printf("Sum elements of upper triangle is= %d",upperSum);
printf("\n ");
printf("\n ");
printf("\n ");
printf("\n ");
//Elements of lower triangle
printf("Elements of lowerSum are= ");
for(i=0;i<=row-1;i++){
for(j=0;j<=col-1;j++){
if(i>=j+1){
printf("%d ",A[i][j]);
lowerSum=lowerSum+A[i][j];
}
}
}
printf("\n ");
printf("Sum elements of low triangle is= %d",lowerSum);
printf("\n ");
//printing diagonalSumA
getch();
}

****Conditional Programs***
#include stdio.h
int main()
{
int A,B;
printf("Enter the value of A= ");
scanf("%d",&A);
printf("Enter the value of B= ");
scanf("%d",&B);
if(A>B)
printf("A is greater than B");
else if(B>A)
printf("B is greater than A");
else
printf("A and B are equal");
getch();
}

****Check Leap Year***
#include stdio.h
int main()
{
int year;
printf("Enter a year to check\n= ");
scanf("%d",&year);
if(year%400==0)
printf("%d is a leap year.\n",year);
else if(year%100==0)
printf("%d is a leap year.\n",year);
else if(year%4==0)
printf("%d is a leap year.\n",year);
else
printf("%d is not a leap year.\n",year);
getch();
}

****Check number is Even or Odd***
#include stdio.h
int main()
{
int n;
printf("Enter a Number\n= ");
scanf("%d",&n);
if(n%2==0)
printf("%d is Even.\n",n);
else
printf("%d is Odd.\n",n);
getch();
}

****Check the character is vowel or not***
#include stdio.h
int main()
{
char c;
printf("Enter an alphabet\n= ");
scanf("%c",&c);
if(c=='a'||c=='A'||c=='e'||c=='E'||c=='i'||c=='I'||c=='o'||c=='O'||c=='u'||c=='U')
printf("This is a Vowel.\n");
else
printf("This is not Vowel.\n");
getch();
}

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